Highlighted by Fabio Esposito
From How “Effective Java” may have influenced the design of Kotlin — Part 2 by Lukas Lechner
ontravariance. This blogpost is too short to explain how these keywords work in detail, but if you are interested you can look up for Declaration-Site variance, Type Projections or Generics in general. According to…ot rid of wildcards and, like C#, provide the keywords in for covariance and outfor contravariance. This blogpost is too short to explain how these keywords work in detail, but if you are interested you can look up for Declaration-Site variance, Type Projections or Generics in general. According to their documentation, these keywords are more self explanatory and can be understood wi…